Return empty error message in validation

Question

I want to return empty string for my validation in ASP.NET MVC 5 project. I have created a property in my view model:

[Required(ErrorMessageResourceType = typeof(TestResources), ErrorMessageResourceName = "Empty_Message", ErrorMessage = null)]
public int? TestProperty { get; set; }

Inside a view:

@Html.ValidationMessageFor(x => x.TestProperty)

When I try this one I get the default message "This field is required.". I want it to be empty in this case, because I add a class to error message's span element that shows up some icon.

I tried something like that:

[Required(ErrorMessage = "")]
public int? TestProperty { get; set; }

...but got an error:

Either ErrorMessageString or ErrorMessageResourceName must be set, but not both.

Did you try to use " " (1 space)?

Andrei
– Andrei

2015-08-17 12:07:47 +00:00
Commented Aug 17, 2015 at 12:07 — Andrei
– Andrei, Commented Aug 17, 2015 at 12:07

Vishal · Accepted Answer · 2015-08-17 12:22:29Z

1

Try setting a space. Example "Space". That would solve your problem.

[Required(ErrorMessage = " ")]
public int? TestProperty { get; set; }

answered Aug 17, 2015 at 12:22

Vishal

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Community · Accepted Answer · 2017-05-23 10:26:40Z

0

you can use the following code:

[DisplayFormat(ConvertEmptyStringToNull=false)]

Reference for more details:
RequiredAttribute with AllowEmptyString=true in ASP.NET MVC 3 unobtrusive validation

edited May 23, 2017 at 10:26

CommunityBot

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answered Aug 17, 2015 at 12:43

Biswabid

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